Perhaps you should try some spelling variations:
yanling zhang » anming zhang
long thanh » luong thanh, long han, long trinh
zhang yan » zhang fan, zhang jian, wang yan
yan liang » yang liang, wang liang, you liang
yan gain » fan again, you gain, run gain
yang jui » yang judy, yang di, yang xi
yang yi » yang di, yang xi
wang » wing, wan, lang

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yanling zhang yan gain ((((yan liang) OR (yang yi))) OR (yang jui)) long thanh ;~.
• Adding a wildcard symbol may retrieve word variants: wang yanling zhang yan gain ((((yan liang) or (yang yi))) or (yang jui)) long thanh ;*.